Biology
Biology, 25.07.2019 03:00, yasyyas646646

Approximately 250 million years ago, several events led to the greatest mass extinction known to man, an event referred to as the great dying. eighty-three percent of all species became extinct during this time period, and it is believed this was the closest that life came to end on earth. during what time period did the great dying occur?

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Approximately 250 million years ago, several events led to the greatest mass extinction known to man...

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